29 CFR 1926 · Construction · Subpart K

1926.416: Electrical Safety Basics on Construction Sites

By Black Belt Safety Editorial Team Official text as of octubre 15, 2026 Data updated noviembre 6, 2026 3 min read

In plain words:

Employers must not let workers work close enough to an electric power circuit to contact it unless it is deenergized and grounded or effectively guarded. Before work starts, the employer must find energized circuits, post warning signs and tell workers about them. Worn or frayed cords cannot be used, cords must be kept out of walkways, and insulated tools are needed for fuses with energized terminals.

Key takeaways

  • 1926.416 is part of OSHA's construction standards (29 CFR Part 1926, Subpart K).
  • OSHA cited it 1,067 times in the last 3 years, in 954 inspections, with $4,188,275 in current penalties.
  • 25 deaths are linked to inspections that cited this rule.
  • Most citations: MD (132), IL (94), NY (87).
  • Most-cited part: 1926.416(a) Protection of employees (632 citations).
  • Free 5-minute toolbox talk for your crew below.

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1,067citations, 3 years
$4,188,275current penalties
954inspections
25linked deaths
In this article
  1. What this rule covers
  2. Official text
  3. Injuries linked to this rule
  4. Where and how often it was cited
  5. Free toolbox talk
  6. OSHA interpretation letters
  7. Most-cited parts of this rule
  8. Get your crew competent
  9. Frequently asked questions
  10. About this page

What this rule covers

29 CFR 1926.416, "General requirements", is an OSHA construction standard (Part 1926, Subpart K). It has 11 numbered paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.

Official text

Show the full text of 1926.416 (11 paragraphs)

(a) Protection of employees. Open (a) 632 citations

(1) No employer shall permit an employee to work in such proximity to any part of an electric power circuit that the employee could contact the electric power circuit in the course of work, unless the employee is protected against electric shock by deenergizing the circuit and grounding it or by guarding it effectively by insulation or other means. Open (a)(1) 489 citations

(2) In work areas where the exact location of underground electric powerlines is unknown, employees using jack-hammers, bars, or other hand tools which may contact a line shall be provided with insulated protective gloves. Open (a)(2) 3 citations

(3) Before work is begun the employer shall ascertain by inquiry or direct observation, or by instruments, whether any part of an energized electric power circuit, exposed or concealed, is so located that the performance of the work may bring any person, tool, or machine into physical or electrical contact with the electric power circuit. The employer shall post and maintain proper warning signs where such a circuit exists. The employer shall advise employees of the location of such lines, the hazards involved, and the protective measures to be taken. Open (a)(3) 140 citations

(b) Passageways and open spaces —-(1) Barriers or other means of guarding shall be provided to ensure that workspace for electrical equipment will not be used as a passageway during periods when energized parts of electrical equipment are exposed. Open (b) 21 citations

(2) Working spaces, walkways, and similar locations shall be kept clear of cords so as not to create a hazard to employees. Open (b)(2) 18 citations

(c) Load ratings. In existing installations, no changes in circuit protection shall be made to increase the load in excess of the load rating of the circuit wiring.

(d) Fuses. When fuses are installed or removed with one or both terminals energized, special tools insulated for the voltage shall be used.

(e) Cords and cables. Open (e) 414 citations

(1) Worn or frayed electric cords or cables shall not be used. Open (e)(1) 403 citations

(2) Extension cords shall not be fastened with staples, hung from nails, or suspended by wire. Open (e)(2) 11 citations

[44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 6, 1979, as amended at 55 FR 42328, Oct. 18, 1990; 58 FR 35179, June 30, 1993; 61 FR 9251, Mar. 7, 1996; 61 FR 41738, Aug. 12, 1996]

Source: eCFR, text current as of 2026-10-15.

See every company cited for this rule.

Export the list: 954 inspections cited 1926.416 in the last 3 years, with employer, location, penalty and date.

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Injuries linked to this rule

25 deaths are linked to inspections where OSHA cited 1926.416.

One employee is fatally injured, another employee suffers sh
2025-02-25 · Fatal · CHICAGO, IL

At 8:30 a.m. on February 25, 2025, Employee #1 and Employee #2 were working as carpenters and were installing metal framing on the exterior of a multi-family dwelling. The employees were working from an Articulating Boom Lift when the boom contacted a 7,200-Volt primary overhead…

See all 25 cases

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Where and how often it was cited

YearCitations
202346
2024373
2025373
2026275

Top states: MD (132), IL (94), NY (87), TX (78), NC (60)

Largest penalties

EmployerLocationPenalty for this rule
RICHARD REEVESCORPUS CHRISTI, TX$165,514
CONTINENTAL ELECTRICAL CONSTRUCTION COMPANY LLCELK GROVE VILLAGE, IL$161,323
NORTH SHORE FRAMING INC.CHICAGO, IL$70,982
SETTLE-MUTER ELECTRIC, LLCBYESVILLE, OH$66,200
107646 - THE DREAMERS ROOFING LLCDULUTH, MN$50,000

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OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1926.416.

Most-cited parts of this rule

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Frequently asked questions

What must happen before work near electric circuits?

The employer must find out where energized circuits are, post warning signs, and tell workers the location, hazards and protective measures.

Can extension cords be hung from nails?

No. Extension cords must not be fastened with staples, hung from nails or suspended by wire.

What if underground power lines are not located exactly?

Workers using jackhammers, bars or other hand tools that may contact a line must be given insulated protective gloves.

About this page

Sources

3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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